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authorMauro Carvalho Chehab <mchehab@redhat.com>2010-08-27 11:51:48 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-08-30 14:57:01 -0300
commit8199d8cc65787bfd83abbfb69d9de1b51e027c41 (patch)
treeb14cbb177aed1c3d479883bee7a271638d449a10 /drivers/edac/i7300_edac.c
parent85580ea4f72ce08e4d9140a3bb22806185a0bba9 (diff)
downloadlinux-8199d8cc65787bfd83abbfb69d9de1b51e027c41.tar.bz2
i7300_edac: enrich FBD error info for fatal errors
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/edac/i7300_edac.c')
-rw-r--r--drivers/edac/i7300_edac.c43
1 files changed, 39 insertions, 4 deletions
diff --git a/drivers/edac/i7300_edac.c b/drivers/edac/i7300_edac.c
index 4c239ce6986b..e33c9900e269 100644
--- a/drivers/edac/i7300_edac.c
+++ b/drivers/edac/i7300_edac.c
@@ -268,6 +268,16 @@ static const char *ferr_global_lo_name[] = {
};
#define ferr_global_lo_is_fatal(errno) ((errno < 16) ? 0 : 1)
+#define NRECMEMA 0xbe
+ #define NRECMEMA_BANK(v) (((v) >> 12) & 7)
+ #define NRECMEMA_RANK(v) (((v) >> 8) & 15)
+
+#define NRECMEMB 0xc0
+ #define NRECMEMB_IS_WR(v) ((v) & (1 << 31))
+ #define NRECMEMB_CAS(v) (((v) >> 16) & 0x1fff)
+ #define NRECMEMB_RAS(v) ((v) & 0xffff)
+
+
/* Device name and register DID (Device ID) */
struct i7300_dev_info {
const char *ctl_name; /* name for this device */
@@ -392,10 +402,11 @@ static void i7300_process_fbd_error(struct mem_ctl_info *mci)
{
struct i7300_pvt *pvt;
u32 errnum, value;
- int branch;
+ u16 val16;
+ int branch, bank, rank, cas, ras;
unsigned long errors;
const char *specific;
- bool is_fatal;
+ bool is_fatal, is_wr;
pvt = mci->pvt_info;
@@ -410,8 +421,31 @@ static void i7300_process_fbd_error(struct mem_ctl_info *mci)
is_fatal = 1;
branch = (GET_FBD_FAT_IDX(value) == 2) ? 1 : 0;
-
- goto error_fbd;
+ pci_read_config_word(pvt->pci_dev_16_1_fsb_addr_map,
+ NRECMEMA, &val16);
+ bank = NRECMEMA_BANK(val16);
+ rank = NRECMEMA_RANK(val16);
+
+ pci_read_config_dword(pvt->pci_dev_16_1_fsb_addr_map,
+ NRECMEMB, &value);
+
+ is_wr = NRECMEMB_IS_WR(value);
+ cas = NRECMEMB_CAS(value);
+ ras = NRECMEMB_RAS(value);
+
+ snprintf(pvt->tmp_prt_buffer, PAGE_SIZE,
+ "FATAL (Branch=%d DRAM-Bank=%d %s "
+ "RAS=%d CAS=%d Err=0x%lx (%s))",
+ branch >> 1, bank,
+ is_wr ? "RDWR" : "RD",
+ ras, cas,
+ errors, specific);
+
+ /* Call the helper to output message */
+ edac_mc_handle_fbd_ue(mci, rank, branch << 1,
+ (branch << 1) + 1,
+ pvt->tmp_prt_buffer);
+ return;
}
/* read in the 1st NON-FATAL error register */
@@ -433,6 +467,7 @@ static void i7300_process_fbd_error(struct mem_ctl_info *mci)
return;
error_fbd:
+
i7300_mc_printk(mci, KERN_EMERG, "%s FBD error on branch %d: %s\n",
is_fatal ? "Fatal" : "NOT fatal", branch, specific);
}